<template>
  <view class="uni-steps">
    <view :class="[direction === 'column' ? 'uni-steps__column' : 'uni-steps__row']">
      <view :class="[direction === 'column' ? 'uni-steps__column-text-container' : 'uni-steps__row-text-container']">
        <view v-for="(item, index) in options" :key="index" :class="[direction === 'column' ? 'uni-steps__column-text' : 'uni-steps__row-text']">
          <text :style="{ color: index === active ? activeColor : deactiveColor }" :class="[direction === 'column' ? 'uni-steps__column-title' : 'uni-steps__row-title']">{{ item.title }}</text>
          <text :style="{ color: deactiveColor }" :class="[direction === 'column' ? 'uni-steps__column-desc' : 'uni-steps__row-desc']">{{ item.desc }}</text>
        </view>
      </view>
      <view :class="[direction === 'column' ? 'uni-steps__column-container' : 'uni-steps__row-container']">
        <view :class="[direction === 'column' ? 'uni-steps__column-line-item' : 'uni-steps__row-line-item']" v-for="(item, index) in options" :key="index">
          <view :class="[direction === 'column' ? 'uni-steps__column-line' : 'uni-steps__row-line', direction === 'column' ? 'uni-steps__column-line--before' : 'uni-steps__row-line--before']" :style="{ backgroundColor: index <= active && index !== 0 ? activeColor : index === 0 ? 'transparent' : deactiveColor }"> </view>
          <view :class="[direction === 'column' ? 'uni-steps__column-check' : 'uni-steps__row-check']" v-if="index === active">
            <uni-icons :color="activeColor" :type="activeIcon" size="14"></uni-icons>
          </view>
          <view v-else :class="[direction === 'column' ? 'uni-steps__column-circle' : 'uni-steps__row-circle']" :style="{ backgroundColor: index < active ? activeColor : deactiveColor }"></view>
          <view :class="[direction === 'column' ? 'uni-steps__column-line' : 'uni-steps__row-line', direction === 'column' ? 'uni-steps__column-line--after' : 'uni-steps__row-line--after']" :style="{ backgroundColor: index < active && index !== options.length - 1 ? activeColor : index === options.length - 1 ? 'transparent' : deactiveColor }"> </view>
        </view>
      </view>
    </view>
  </view>
</template>

<script lang="ts">
/**
 * Steps 步骤条
 * @description 评分组件
 * @tutorial https://ext.dcloud.net.cn/plugin?id=34
 * @property {Number} active 当前步骤
 * @property {String} direction = [row|column] 当前步骤
 * 	@value row 横向
 * 	@value column 纵向
 * @property {String} activeColor 选中状态的颜色
 * @property {Array} options 数据源，格式为：[{title:'xxx',desc:'xxx'},{title:'xxx',desc:'xxx'}]
 */

export default {
  name: "UniSteps",
  props: {
    direction: {
      // 排列方向 row column
      type: String,
      default: "row",
    },
    activeColor: {
      // 激活状态颜色
      type: String,
      default: "#2979FF",
    },
    deactiveColor: {
      // 未激活状态颜色
      type: String,
      default: "#B7BDC6",
    },
    active: {
      // 当前步骤
      type: Number,
      default: 0,
    },
    activeIcon: {
      // 当前步骤
      type: String,
      default: "checkbox-filled",
    },
    options: {
      type: Array,
      default() {
        return [];
      },
    }, // 数据
  },
  data() {
    return {};
  },
};
</script>

<style lang="scss">
$uni-primary: #2979ff !default;
$uni-border-color: #ededed;
.uni-steps {
  /* #ifndef APP-NVUE */
  display: flex;
  width: 100%;
  /* #endif */
  /* #ifdef APP-NVUE */
  flex: 1;
  /* #endif */
  flex-direction: column;
}

.uni-steps__row {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex-direction: column;
}

.uni-steps__column {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex-direction: row-reverse;
}

.uni-steps__row-text-container {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex-direction: row;
  align-items: flex-end;
  margin-bottom: 8px;
}

.uni-steps__column-text-container {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex-direction: column;
  flex: 1;
}

.uni-steps__row-text {
  /* #ifndef APP-NVUE */
  display: inline-flex;
  /* #endif */
  flex: 1;
  flex-direction: column;
}

.uni-steps__column-text {
  padding: 6px 0px;
  border-bottom-style: solid;
  border-bottom-width: 1px;
  border-bottom-color: $uni-border-color;
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex-direction: column;
}

.uni-steps__row-title {
  font-size: 14px;
  line-height: 16px;
  text-align: center;
}

.uni-steps__column-title {
  font-size: 14px;
  text-align: left;
  line-height: 18px;
}

.uni-steps__row-desc {
  font-size: 12px;
  line-height: 14px;
  text-align: center;
}

.uni-steps__column-desc {
  font-size: 12px;
  text-align: left;
  line-height: 18px;
}

.uni-steps__row-container {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex-direction: row;
}

.uni-steps__column-container {
  /* #ifndef APP-NVUE */
  display: inline-flex;
  /* #endif */
  width: 30px;
  flex-direction: column;
}

.uni-steps__row-line-item {
  /* #ifndef APP-NVUE */
  display: inline-flex;
  /* #endif */
  flex-direction: row;
  flex: 1;
  height: 14px;
  line-height: 14px;
  align-items: center;
  justify-content: center;
}

.uni-steps__column-line-item {
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  flex-direction: column;
  flex: 1;
  align-items: center;
  justify-content: center;
}

.uni-steps__row-line {
  flex: 1;
  height: 1px;
  background-color: #b7bdc6;
}

.uni-steps__column-line {
  width: 1px;
  background-color: #b7bdc6;
}

.uni-steps__row-line--after {
  transform: translateX(1px);
}

.uni-steps__column-line--after {
  flex: 1;
  transform: translate(0px, 1px);
}

.uni-steps__row-line--before {
  transform: translateX(-1px);
}

.uni-steps__column-line--before {
  height: 6px;
  transform: translate(0px, -13px);
}

.uni-steps__row-circle {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: #b7bdc6;
  margin: 0px 3px;
}

.uni-steps__column-circle {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: #b7bdc6;
  margin: 4px 0px 5px 0px;
}

.uni-steps__row-check {
  margin: 0px 6px;
}

.uni-steps__column-check {
  height: 14px;
  line-height: 14px;
  margin: 2px 0px;
}
</style>
